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Finding the Fourth Proportional to 63,569.49, 87,727.91 and 36,711.51

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Solution

The fourth proportional to 63,569.49, 87,727.91 and 36,711.51 is: 50,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,569.49 : 87,727.91 = 36,711.51 : x
  2. Step 2: Convert to fraction form
    63,569.49/87,727.91 = 36,711.51/x
  3. Step 3: Cross multiply
    63,569.49x = 87,727.91 × 36,711.51
  4. Step 4: Simplify right side
    63,569.49x = 3,220,623,861.69
  5. Step 5: Solve for x
    x = 3,220,623,861.69/63,569.49
  6. Step 6: Final answer
    x = 50,663.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.